Shelley, Percy Bysshe, 1792-1822
Italy ; London : Printed for C. and J. Ollier, 1819.
New Rochelle, N.Y. : The Elston Press, 1903.
Oxford : Oxford University Press, 2013.
Percy Bysshe Shelley
Poems for the Millennium, Volume Three, 2008, p.902
Poems for the Millennium, Volume Three, 2008, p.412
Thomson, Douglass H; Voller, Jack G; Frank, Frederick S
Gothic Writers, 2001